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Home >> Subaru >> 2023 >> Forester Base >> Repair and Diagnosis (Single Page) >> Electrical >> Gauges >> Instrumentation System & Driver Information Center >> Multi-function Display (MFD) System >> Inspection >> Check Clock System Communication Circuit

Check Clock System Communication Circuit

  1. CHECK POWER SUPPLY  .
    1. Disconnect the MFD connector.
    2. Turn the ignition switch to ON.
    3. Measure the voltage between MFD connector and chassis ground.

      Connector & terminal  (i122) No. 2 (+) - Chassis ground (-): Is the voltage 10 V or more?

    Yes:  Go to  2.

    No:  Repair or replace the harness.

  2. CHECK GROUND CIRCUIT  .

    Measure the resistance between MFD connector and chassis ground.

    Connector & terminal  (i122) No. 3 - Chassis ground:

    Is the resistance less than 10 Ω?

    Yes:  Go to  3.

    No:  Repair or replace the harness.

  3. CHECK HARNESS BETWEEN MFD AND COMBINATION METER ASSEMBLY  .
    1. Disconnect the connector of combination meter assembly.
    2. Check the harness between MFD and combination meter assembly.

      Connector & terminal  (i122) No. 8 - (i10) No. 11: Is harness normal?

    Yes:  Go to  4.

    No:  Repair or replace the harness.

  4. CHECK MFD  .
    1. Remove the MFD.
    2. Attach the clock to another vehicle on which the clock display operates normally, and check its operation.

    Is MFD normal?

    Yes:  Repair the poor contact of connector.

    No:  Replace MFD.

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